Five new AI models are here: Claude Fable 5.1 and GPT-6 Astra raise the frontier; Tencent’s HY4 Preview, Gemini 3.8 Flash, and Meta Muse Spark 1.3 push efficiency and lower cost at the frontier.

an epic comeback story for Meta

Anthropic launched two new models -- Claude Fable 5.1 and Claude Mythos 5.1 -- claiming top benchmark scores for coding and scientific research and cutting prices for typical…

Five new AI models are here: Claude Fable 5.1 and GPT-6 Astra raise the frontier; Tencent’s HY4 Preview, Gemini 3.8 Flash, and Meta Muse Spark 1.3 push efficiency and lower cost…